EP4236199A3 - Secure provision of undetermined data from an undetermined source into the locking script of a blockchain transaction - Google Patents

Secure provision of undetermined data from an undetermined source into the locking script of a blockchain transaction Download PDF

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Publication number
EP4236199A3
EP4236199A3 EP23177730.1A EP23177730A EP4236199A3 EP 4236199 A3 EP4236199 A3 EP 4236199A3 EP 23177730 A EP23177730 A EP 23177730A EP 4236199 A3 EP4236199 A3 EP 4236199A3
Authority
EP
European Patent Office
Prior art keywords
undetermined
script
value
data
transaction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP23177730.1A
Other languages
German (de)
French (fr)
Other versions
EP4236199A2 (en
Inventor
Ying Chan
Dean KRAMER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nchain Licensing AG
Original Assignee
Nchain Licensing AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GBGB1708198.5A external-priority patent/GB201708198D0/en
Priority claimed from GBGB1708192.8A external-priority patent/GB201708192D0/en
Priority claimed from GBGB1708196.9A external-priority patent/GB201708196D0/en
Priority claimed from GBGB1708185.2A external-priority patent/GB201708185D0/en
Priority claimed from GBGB1708200.9A external-priority patent/GB201708200D0/en
Priority claimed from GBGB1708190.2A external-priority patent/GB201708190D0/en
Application filed by Nchain Licensing AG filed Critical Nchain Licensing AG
Publication of EP4236199A2 publication Critical patent/EP4236199A2/en
Publication of EP4236199A3 publication Critical patent/EP4236199A3/en
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G—PHYSICS
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    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/23—Updating
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    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6209—Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
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    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/04—Payment circuits
    • G06Q20/06—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
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    • G06Q20/065—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme using e-cash
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    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/389—Keeping log of transactions for guaranteeing non-repudiation of a transaction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • H—ELECTRICITY
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    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
    • H—ELECTRICITY
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    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H—ELECTRICITY
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    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • G—PHYSICS
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    • G06Q10/00—Administration; Management
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    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q2220/00—Business processing using cryptography
    • H—ELECTRICITY
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    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
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    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H04L9/3252—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures using DSA or related signature schemes, e.g. elliptic based signatures, ElGamal or Schnorr schemes

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  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Accounting & Taxation (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Finance (AREA)
  • General Business, Economics & Management (AREA)
  • Strategic Management (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Bioethics (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Power Engineering (AREA)
  • Data Mining & Analysis (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Debugging And Monitoring (AREA)
  • Peptides Or Proteins (AREA)
  • Window Of Vehicle (AREA)
  • Slot Machines And Peripheral Devices (AREA)

Abstract

The invention relates to distributed ledge technologies such as consensus-based blockchains. Computer-implemented methods for securely providing undetermined data from a determined or undetermined source are described. The invention is implemented using a blockchain network, which may be, for example, a Bitcoin blockchain. A first transaction to validate is received at a node in a blockchain network, with the first transaction including a first script that includes at least a first value, at least a portion of which includes data that is unconstrained by a second script, and a second value. A second transaction is obtained. The second transaction having been validated and including the second script that, as a result of being executed, causes the node to obtain the first value and the second value as a result of execution of the first script, and validate, based at least in part on first value and the second value, that the data is associated with a data source. The first transaction is validated by executing the first script and the second script.
EP23177730.1A 2017-05-22 2018-05-14 Secure provision of undetermined data from an undetermined source into the locking script of a blockchain transaction Pending EP4236199A3 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
GBGB1708198.5A GB201708198D0 (en) 2017-05-22 2017-05-22 Computer-implemented system and method
GBGB1708192.8A GB201708192D0 (en) 2017-05-22 2017-05-22 Computer-implemented system and method
GBGB1708196.9A GB201708196D0 (en) 2017-05-22 2017-05-22 Computer-implemented system and method
GBGB1708185.2A GB201708185D0 (en) 2017-05-22 2017-05-22 Computer-implemented system and method
GBGB1708200.9A GB201708200D0 (en) 2017-05-22 2017-05-22 Computer-implemented system and method
GBGB1708190.2A GB201708190D0 (en) 2017-05-22 2017-05-22 Computer-implemented system and method
PCT/IB2018/053338 WO2018215874A1 (en) 2017-05-22 2018-05-14 Secure provision of undetermined data from an undetermined source into the locking script of a blockchain transaction
EP18728978.0A EP3631724A1 (en) 2017-05-22 2018-05-14 Secure provision of undetermined data from an undetermined source into the locking script of a blockchain transaction

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP18728978.0A Division EP3631724A1 (en) 2017-05-22 2018-05-14 Secure provision of undetermined data from an undetermined source into the locking script of a blockchain transaction

Publications (2)

Publication Number Publication Date
EP4236199A2 EP4236199A2 (en) 2023-08-30
EP4236199A3 true EP4236199A3 (en) 2023-10-18

Family

ID=62495838

Family Applications (8)

Application Number Title Priority Date Filing Date
EP18728980.6A Pending EP3631726A1 (en) 2017-05-22 2018-05-14 Duplicating smart contracts with termination condition
EP18729194.3A Pending EP3631728A1 (en) 2017-05-22 2018-05-14 Trustless deterministic state machine
EP18728979.8A Pending EP3631725A1 (en) 2017-05-22 2018-05-14 Parameterisable smart contracts
EP23177730.1A Pending EP4236199A3 (en) 2017-05-22 2018-05-14 Secure provision of undetermined data from an undetermined source into the locking script of a blockchain transaction
EP18728978.0A Pending EP3631724A1 (en) 2017-05-22 2018-05-14 Secure provision of undetermined data from an undetermined source into the locking script of a blockchain transaction
EP18729193.5A Pending EP3631727A1 (en) 2017-05-22 2018-05-14 Constraining injection of unlocking transaction bytecode
EP18728977.2A Pending EP3631723A1 (en) 2017-05-22 2018-05-14 Forcing the injection of a previous transaction's bytecode into a blockchain transaction
EP23177716.0A Pending EP4236198A3 (en) 2017-05-22 2018-05-14 Secure provision of undetermined data from an undetermined source into the locking script of a blockchain transaction

Family Applications Before (3)

Application Number Title Priority Date Filing Date
EP18728980.6A Pending EP3631726A1 (en) 2017-05-22 2018-05-14 Duplicating smart contracts with termination condition
EP18729194.3A Pending EP3631728A1 (en) 2017-05-22 2018-05-14 Trustless deterministic state machine
EP18728979.8A Pending EP3631725A1 (en) 2017-05-22 2018-05-14 Parameterisable smart contracts

Family Applications After (4)

Application Number Title Priority Date Filing Date
EP18728978.0A Pending EP3631724A1 (en) 2017-05-22 2018-05-14 Secure provision of undetermined data from an undetermined source into the locking script of a blockchain transaction
EP18729193.5A Pending EP3631727A1 (en) 2017-05-22 2018-05-14 Constraining injection of unlocking transaction bytecode
EP18728977.2A Pending EP3631723A1 (en) 2017-05-22 2018-05-14 Forcing the injection of a previous transaction's bytecode into a blockchain transaction
EP23177716.0A Pending EP4236198A3 (en) 2017-05-22 2018-05-14 Secure provision of undetermined data from an undetermined source into the locking script of a blockchain transaction

Country Status (9)

Country Link
US (13) US11810018B2 (en)
EP (8) EP3631726A1 (en)
JP (13) JP7071403B2 (en)
KR (10) KR102611572B1 (en)
CN (10) CN110709873A (en)
SG (3) SG10202112668XA (en)
TW (2) TWI844486B (en)
WO (6) WO2018215872A1 (en)
ZA (2) ZA201907255B (en)

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JP2017184198A (en) * 2016-03-31 2017-10-05 ソニー株式会社 Image sensor, imaging device, image sensor identification method, image forgery prevention method and image alteration restriction method
KR102611572B1 (en) 2017-05-22 2023-12-08 엔체인 홀딩스 리미티드 Techniques to limit injection of unlock transaction bytecode
GB201811263D0 (en) * 2018-07-10 2018-08-29 Netmaster Solutions Ltd A method and system for managing digital using a blockchain
EP3837660A4 (en) * 2018-08-17 2022-03-30 Telefonaktiebolaget LM ERICSSON (PUBL) Method and system for prediction of smart contract violation using dynamic state space creation
US11062042B1 (en) 2018-09-26 2021-07-13 Splunk Inc. Authenticating data associated with a data intake and query system using a distributed ledger system
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